[ty] Extend invalid-explicit-override to also cover properties decorated with @override that do not override anything#21756
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AlexWaygood merged 1 commit intomainfrom Dec 3, 2025
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…rated with `@override` that do not override anything
Diagnostic diff on typing conformance testsChanges were detected when running ty on typing conformance tests--- old-output.txt 2025-12-02 16:17:29.662991980 +0000
+++ new-output.txt 2025-12-02 16:17:33.242081570 +0000
@@ -218,6 +218,7 @@
classes_override.py:65:9: error[invalid-explicit-override] Method `method4` is decorated with `@override` but does not override anything
classes_override.py:79:9: error[invalid-explicit-override] Method `static_method1` is decorated with `@override` but does not override anything
classes_override.py:84:9: error[invalid-explicit-override] Method `class_method1` is decorated with `@override` but does not override anything
+classes_override.py:89:9: error[invalid-explicit-override] Method `property1` is decorated with `@override` but does not override anything
constructors_call_init.py:21:13: error[invalid-argument-type] Argument to bound method `__init__` is incorrect: Expected `int`, found `float`
constructors_call_init.py:25:1: error[type-assertion-failure] Type `Class1[int | float]` does not match asserted type `Class1[float]`
constructors_call_init.py:56:1: error[invalid-argument-type] Argument to bound method `__init__` is incorrect: Expected `Class4[int]`, found `Class4[str]`
@@ -1029,4 +1030,4 @@
typeddicts_usage.py:28:17: error[missing-typed-dict-key] Missing required key 'name' in TypedDict `Movie` constructor
typeddicts_usage.py:28:18: error[invalid-key] Unknown key "title" for TypedDict `Movie`: Unknown key "title"
typeddicts_usage.py:40:24: error[invalid-type-form] The special form `typing.TypedDict` is not allowed in type expressions
-Found 1031 diagnostics
+Found 1032 diagnostics
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AlexWaygood
requested review from
carljm,
dcreager and
sharkdp
as code owners
carljm
approved these changes
Dec 3, 2025
Comment on lines
+405
to
+409
| let function_literal = if context.in_stub() { | ||
| functions[0].first_overload_or_implementation(db) | ||
| } else { | ||
| functions[0].literal(db).last_definition(db) | ||
| }; |
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In case of a union where some members are decorated with override and others are not, should the diagnostic point to, say, the first one that is decorated with override, rather than just the first one, period -- which may not be decorated?
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I'll fix this in #21767, since that PR's the "but wait, what if there are multiple definitions??" PR
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* origin/main: [ty] Improve `@override`, `@final` and Liskov checks in cases where there are multiple reachable definitions (#21767) [ty] Extend `invalid-explicit-override` to also cover properties decorated with `@override` that do not override anything (#21756) [ty] Enable LRU collection for parsed module (#21749) [ty] Support typevar-specialized dynamic types in generic type aliases (#21730) Add token based `parenthesized_ranges` implementation (#21738) [ty] Default-specialization of generic type aliases (#21765) [ty] Suppress false positives when `dataclasses.dataclass(...)(cls)` is called imperatively (#21729) [syntax-error] Default type parameter followed by non-default type parameter (#21657) new module for parsing ranged suppressions (#21441) [ty] `type[T]` is assignable to an inferable typevar (#21766) Fix syntax error false positives for `await` outside functions (#21763) [ty] Improve diagnostics for unsupported comparison operations (#21737) Move `Token`, `TokenKind` and `Tokens` to `ruff-python-ast` (#21760) [ty] Don't confuse multiple occurrences of `typing.Self` when binding bound methods (#21754) Use our org-wide Renovate preset (#21759) Delete `my-script.py` (#21751) [ty] Move `all_members`, and related types/routines, out of `ide_support.rs` (#21695)
dcreager
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Dec 3, 2025
* origin/main: [ty] Reachability constraints: minor documentation fixes (#21774) [ty] Fix non-determinism in `ConstraintSet.specialize_constrained` (#21744) [ty] Improve `@override`, `@final` and Liskov checks in cases where there are multiple reachable definitions (#21767) [ty] Extend `invalid-explicit-override` to also cover properties decorated with `@override` that do not override anything (#21756) [ty] Enable LRU collection for parsed module (#21749) [ty] Support typevar-specialized dynamic types in generic type aliases (#21730) Add token based `parenthesized_ranges` implementation (#21738) [ty] Default-specialization of generic type aliases (#21765) [ty] Suppress false positives when `dataclasses.dataclass(...)(cls)` is called imperatively (#21729) [syntax-error] Default type parameter followed by non-default type parameter (#21657)
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Summary
Fixes some TODOs added in #21627
Test Plan
Mdtests/snapshots